What are the cheapest airlines to fly from Australia to Illinois one-way?

To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $976. Cathay Pacific flights start at $1,004 while deals on Etihad Airways start at $1,015 one-way. Find deals

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm. Find deals

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C). Find deals

How far in advance should I book a flight from Australia to Illinois?

Users have found that booking a flight from Australia to Illinois at least 25 days early can save you up to 55% on average compared to booking a flight this week. If booking 25 days before your flight isn’t an option for you, users have found flights from Australia to Illinois for as little as $1,699 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,345 for flights departing within the next 3 days. Find deals

What is the cheapest month to fly from Australia to Illinois?

Flights from Australia to Illinois lean towards being more expensive in December. Prices are generally better when you fly from Australia to Illinois in March, with the cheapest ticket starting at $1,011.

Can I find deals for flights from Australia to Illinois that include hotel bookings?

Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Australia to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.

Can I find deals for business class flights from Australia to Illinois?

Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$710+ Flights from Australia to Illinois

Cheap flight deals from Australia to Illinois

Round-trip from	$1,535
One-way from	$710
Popular in	December
Cheapest in	March
Average price	$1,605

EVA Air
9/10-14/10
2 total stops
66h 00m total
Australia to Illinois

Search Deals

10/9
2 total stops
29h 43m total
Australia to Illinois

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($553 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($117 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Australia to Illinois

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.

Thu 9/1022:15BNE - ORD

1 stop37h 30mEVA Air

Tue 14/1000:30ORD - BNE

1 stop28h 30mEVA Air

Deal found 10/7$1,535

Fri 8/813:15SYD - ORD

2 stops42h 13mMultiple Airlines

Fri 15/807:05ORD - SYD

2 stops37h 40mMultiple Airlines

Deal found 11/7$1,567

Mon 1/921:35PER - ORD

1 stop30h 20mANA

Tue 16/907:19ORD - PER

2 stops47h 41mANA

Deal found 10/7$1,579

Mon 18/817:45SYD - STL

2 stops45h 31mAmerican Airlines

Sat 8/1113:55STL - SYD

1 stop24h 00mAmerican Airlines

Deal found 10/7$1,600

Sun 24/809:55SYD - ORD

2 stops29h 20mAir New Zealand

Sun 31/816:10ORD - SYD

2 stops25h 35mAir New Zealand

Deal found 10/7$1,608

Fri 8/809:10SYD - ORD

1 stop35h 02mAmerican Airlines

Thu 28/817:06ORD - SYD

1 stop21h 59mAmerican Airlines

Deal found 10/7$1,625

Fri 14/1112:10MEL - ORD

2 stops23h 40mAir New Zealand

Fri 28/1114:30ORD - MEL

2 stops27h 25mAir New Zealand

Deal found 10/7$1,634

Wed 13/809:45BNE - ORD

2 stops26h 48mAir New Zealand

Mon 18/816:50ORD - BNE

2 stops27h 10mAir New Zealand

Deal found 10/7$1,638

Fri 22/811:55ADL - ORD

2 stops24h 15mAir New Zealand

Fri 29/817:50ORD - ADL

2 stops26h 35mAir New Zealand

Deal found 10/7$1,643

Mon 17/1100:10BNE - ORD

1 stop28h 50mCathay Pacific

Wed 3/1214:40ORD - BNE

1 stop27h 50mCathay Pacific

Deal found 11/7$1,675

Mon 25/811:50SYD - ORD

2 stops32h 11mANA

Mon 1/917:45ORD - SYD

1 stop24h 40mANA

Deal found 11/7$1,696

Mon 17/1100:10BNE - ORD

1 stop28h 50mMultiple Airlines

Wed 3/1214:40ORD - BNE

2 stops41h 40mMultiple Airlines

Deal found 11/7$1,728

Best flights from Australia to Illinois
Discover carefully curated flight deals from Australia to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 July 2025.

Thu 9/1022:15BNE - ORD

1 stop37h 30mEVA Air

Tue 14/1000:30ORD - BNE

1 stop28h 30mEVA Air

Deal found 10/7$1,535

Fri 8/813:15SYD - ORD

2 stops42h 13mMultiple Airlines

Fri 15/807:05ORD - SYD

2 stops37h 40mMultiple Airlines

Deal found 11/7$1,567

Mon 1/921:35PER - ORD

1 stop30h 20mANA

Tue 16/907:19ORD - PER

2 stops47h 41mANA

Deal found 10/7$1,579

Mon 18/817:45SYD - STL

2 stops45h 31mAmerican Airlines

Sat 8/1113:55STL - SYD

1 stop24h 00mAmerican Airlines

Deal found 10/7$1,600

Wed 13/809:55SYD - ORD

2 stops26h 38mAir New Zealand

Wed 20/817:50ORD - SYD

2 stops25h 45mAir New Zealand

Deal found 9/7$1,608

Mon 17/1100:10BNE - ORD

1 stop28h 50mCathay Pacific

Wed 3/1214:40ORD - BNE

1 stop27h 50mCathay Pacific

Deal found 11/7$1,675

Wed 26/1111:20SYD - STL

2 stops45h 09mAir Canada

Thu 11/1216:05STL - SYD

2 stops48h 30mAir Canada

Deal found 11/7$1,770

Mon 1/912:25PER - ORD

2 stops33h 40mJapan Airlines

Mon 15/901:05ORD - PER

2 stops34h 35mJapan Airlines

Deal found 10/7$1,793

Wed 26/1111:50SYD - STL

1 stop27h 09mUnited Airlines

Tue 9/1217:30STL - SYD

1 stop22h 45mUnited Airlines

Deal found 11/7$1,863

Wed 6/809:10SYD - STL

1 stop28h 59mQantas Airways

Wed 20/806:45STL - SYD

1 stop33h 20mQantas Airways

Deal found 11/7$1,989

Tue 12/809:25SYD - MDW

2 stops23h 22mDelta

Sun 24/813:08MDW - SYD

2 stops26h 27mDelta

Deal found 9/7$2,374

Wed 26/1111:50SYD - STL

1 stop39h 49mVirgin Australia

Fri 12/1211:10STL - SYD

1 stop26h 50mVirgin Australia

Deal found 11/7$2,848

Last-minute flights from Australia to Illinois
Discover last-minute flight deals from Australia to Illinois. Data last updated 12 July 2025 and is based on user searches.

Sat 12/722:15BNE - ORD

1 stop37h 55mEVA Air

Sat 26/700:30ORD - BNE

1 stop28h 30mEVA Air

Deal found 11/7$1,555

Tue 15/708:35MEL - ORD

2 stops27h 43mAir New Zealand

Fri 15/816:50ORD - MEL

2 stops27h 00mAir New Zealand

Deal found 10/7$1,635

Wed 16/711:50SYD - ORD

2 stops32h 01mANA

Mon 21/717:45ORD - SYD

1 stop24h 40mANA

Deal found 9/7$1,878

Wed 16/709:20SYD - ORD

1 stop20h 34mAir Canada

Mon 21/715:40ORD - SYD

2 stops29h 00mAir Canada

Deal found 10/7$2,223

Wed 16/708:55SYD - ORD

2 stops29h 48mJapan Airlines

Sun 20/701:30ORD - SYD

1 stop37h 50mJapan Airlines

Deal found 9/7$2,377

Wed 16/713:15SYD - ORD

3 stops31h 48mMultiple Airlines

Mon 21/719:03ORD - SYD

2 stops25h 42mMultiple Airlines

Deal found 10/7$3,260

Thu 17/701:55BNE - ORD

1 stop52h 50mEmirates

Mon 4/820:35ORD - BNE

1 stop34h 45mEmirates

Deal found 10/7$4,099

Fri 18/723:55BNE - ORD

1 stop29h 30mCathay Pacific

Mon 4/816:00ORD - BNE

1 stop28h 05mCathay Pacific

Deal found 10/7$1,910

Fri 18/723:55BNE - ORD

1 stop29h 30mMultiple Airlines

Mon 4/816:00ORD - BNE

2 stops41h 10mMultiple Airlines

Deal found 10/7$1,962

Fri 18/723:55BNE - ORD

2 stops48h 20mJapan Airlines

Sun 3/801:30ORD - BNE

2 stops53h 55mJapan Airlines

Deal found 10/7$2,669

Fri 8/813:15SYD - ORD

2 stops42h 13mMultiple Airlines

Fri 15/807:05ORD - SYD

2 stops37h 40mMultiple Airlines

Deal found 11/7$1,567

Fri 8/809:10SYD - ORD

1 stop30h 02mAmerican Airlines

Thu 28/817:06ORD - SYD

1 stop21h 59mAmerican Airlines

Deal found 9/7$1,623

One-way flights from Australia to Illinois
Search for one-way flight options from Australia to Illinois. Find affordable one-way fares based on user searches. Data last updated 12 July 2025.

Wed 10/916:20SYD - ORD

2 stops29h 43mMultiple Airlines

Deal found 11/7$710

Wed 10/907:00BNE - ORD

3 stops39h 03mMultiple Airlines

Deal found 11/7$807

Mon 15/922:15BNE - ORD

1 stop37h 30mEVA Air

Deal found 11/7$976

Thu 11/915:50PER - ORD

3 stops58h 21mMultiple Airlines

Deal found 11/7$1,001

Wed 10/923:55BNE - ORD

1 stop29h 30mCathay Pacific

Deal found 11/7$1,004

Mon 6/1018:10MEL - ORD

1 stop30h 35mEtihad Airways

Deal found 11/7$1,015

Fri 15/816:20SYD - STL

2 stops37h 06mMultiple Airlines

Deal found 10/7$1,042

Mon 17/1114:15MEL - STL

3 stops26h 43mMultiple Airlines

Deal found 11/7$1,059

Fri 15/809:10SYD - STL

1 stop28h 59mAmerican Airlines

Deal found 10/7$1,061

Sat 2/809:10SYD - ORD

1 stop21h 46mAmerican Airlines

Deal found 10/7$1,061

Thu 28/809:45MEL - ORD

1 stop21h 49mAmerican Airlines

Deal found 10/7$1,064

Mon 6/1018:10MEL - ORD

2 stops34h 30mMultiple Airlines

Deal found 11/7$1,070

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 9/10

22:15-20:45

1 stop37h 30m

Chicago O'Hare Intl

Tue 14/10

00:30-20:00

1 stop28h 30m

$1,535

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 8/8

13:15-16:28

2 stops42h 13m

Chicago O'Hare Intl

Fri 15/8

07:05-11:45

2 stops37h 40m

$1,567

PerthChicago

PER - ORD

PERORD

Perth

Mon 1/9

21:35-14:55

1 stop30h 20m

Chicago O'Hare Intl

Tue 16/9

07:19-20:00

2 stops47h 41m

$1,579

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 18/8

17:45-00:16

2 stops45h 31m

Lambert-St Louis

Sat 8/11

13:55-06:55

1 stop24h 00m

$1,600

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 24/8

09:55-00:15

2 stops29h 20m

Chicago O'Hare Intl

Sun 31/8

16:10-08:45

2 stops25h 35m

$1,608

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 8/8

09:10-05:12

1 stop35h 02m

Chicago O'Hare Intl

Thu 28/8

17:06-06:05

1 stop21h 59m

$1,625

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 14/11

12:10-18:50

2 stops23h 40m

Chicago O'Hare Intl

Fri 28/11

14:30-10:55

2 stops27h 25m

$1,634

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 13/8

09:45-21:33

2 stops26h 48m

Chicago O'Hare Intl

Mon 18/8

16:50-11:00

2 stops27h 10m

$1,638

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 22/8

11:55-21:40

2 stops24h 15m

Chicago O'Hare Intl

Fri 29/8

17:50-10:55

2 stops26h 35m

$1,643

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 17/11

00:10-13:00

1 stop28h 50m

Chicago O'Hare Intl

Wed 3/12

14:40-10:30

1 stop27h 50m

$1,675

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 60 results

...

Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Illinois

What is the cheapest time of day to fly from AU to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown with Air Tahiti Nui, EVA Air, andANA from Australia to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.6

Very Good

65 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

EVA Air

8.4

Very Good

1,215 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.4

Very Good

900 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very Good

1,105 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Japan Airlines

8.3

Very Good

1,512 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What are the cheapest airlines to fly from Australia to Illinois one-way?
To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $976. Cathay Pacific flights start at $1,004 while deals on Etihad Airways start at $1,015 one-way.
Can I find deals for flights from Australia to Illinois that include hotel bookings?
Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.
Can I find deals for business class flights from Australia to Illinois?
Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Australia to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$972	Average$1,657	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Air New Zealand	Cheapest$1,167	Average$1,614	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
American Airlines	Cheapest$1,174	Average$1,679	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	Cheapest$1,264	Average$1,851	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest$1,356	Average$2,205	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Cathay Pacific	Cheapest$1,478	Average$2,248	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
ANA	Cheapest$1,595	Average$1,764	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Virgin Australia	Cheapest$1,751	Average$2,784	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights
Japan Airlines	Cheapest$1,997	Average$2,260	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Qatar Airways	Cheapest$2,480	Average$2,746	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to Illinois?

Cheapflights helps you search for flights from Australia to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Australia.

Can Cheapflights find flights from Australia to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Australia to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Australia to Illinois from $710

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Illinois

Keep the following information in mind while searching for Australia to Illinois flight deals. Data was last updated 12 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Australia to Illinois

Cheapest flights from Australia to IllinoisExplore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.

Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Illinois that are best for you.

Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Australia to Illinois

What is the cheapest time of day to fly from AU to IL?

Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2025.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown with Air Tahiti Nui, EVA Air, andANA from Australia to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Australia to Illinois one-way?

Can I find deals for flights from Australia to Illinois that include hotel bookings?

How can I find direct flights from Australia to Illinois?

Can I find deals for business class flights from Australia to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Australia to Illinois

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?

Can Cheapflights find flights from Australia to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.